In this picture taken on July 24, 2016, women look at their smartphones in a parking lot in Chengdu, Sichuan province.
China had 1.3 billion mobile users by the end of 2015, and nearly 30 percent of them - a swathe of humanity larger than the whole population of the United States -- were connected to the 4G network, according to its ministry of industry and information technology. / AFP / FRED DUFOUR (Photo credit should read FRED DUFOUR/AFP/Getty Images)